Home / 40,730.02-61,128.04-21,014.22

Finding the Fourth Proportional to 40,730.02, 61,128.04 and 21,014.22

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Solution

The fourth proportional to 40,730.02, 61,128.04 and 21,014.22 is: 31,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.02 : 61,128.04 = 21,014.22 : x
  2. Step 2: Convert to fraction form
    40,730.02/61,128.04 = 21,014.22/x
  3. Step 3: Cross multiply
    40,730.02x = 61,128.04 × 21,014.22
  4. Step 4: Simplify right side
    40,730.02x = 1,284,558,080.73
  5. Step 5: Solve for x
    x = 1,284,558,080.73/40,730.02
  6. Step 6: Final answer
    x = 31,538.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.